Sunvic 602 hot wire vacuum switch
||This switch measures 118x25mm overall and has 4 leads.
This device is a switch connected to a bi-metallic strip which is heated by a coil,
all encased in an evacuated envelope.
The label on this device reads "Sunvic hot-wire vacuum switch
Control current must not exceed 30mA. Control circuit resistance 1800 ohms approx. Unless one
lead is common to the control circuit, the series resistance must be in 2 parts, 1 in each
lead and neither part must be less that 500 ohms. Patent No. 354020 & others.
See also 603
Underneath is written 14.0V / 3.5mA 27/6/73
This file was last modified
14:59:19, Tuesday September 02, 2014